EVA (Ethylene-Vinyl Acetate) film
A kind of adhesive film, the same technology, applied in the direction of adhesive, film/sheet adhesive, film/sheet without carrier, etc., can solve the problems of reduced production speed, reduced production efficiency, low shrinkage rate, etc., to ensure production Effects of speed, productivity improvement, and low shrinkage
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[0029] The upper and lower surfaces of the EVA film are independently pressed with a mixed pattern with periodic arrangements of square pyramid patterns and frosted patterns; among them, the periodic length of the upper surface pattern is 393mm, the length of the square pyramid pattern is 193mm, and the length of the frosted pattern is 200mm ; The period length of the pattern on the lower surface is 440mm, the length of the square pyramid pattern is 200mm, and the length of the frosted pattern is 240mm.
[0030] figure 1 The sectional view of the overall structure of the EVA adhesive film prepared in Example 1, the marks in the accompanying drawings are described as follows: 1-1 adhesive film layer, 1-2 frosted pattern, 1-3 quadrangular pyramid pattern; figure 2 is the front view of the frosted pattern; image 3 It is the front view of the quadrangular pyramid pattern.
[0031] Production lines No. 1 to No. 3 were used to prepare EVA films under the conditions of production...
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